Age: 32 Gender: Female Height: 151cm Affiliation: None Personality: She is lively and has a bit of a natural airhead side. Currently, she feels 'slightly' more mature and calm compared to her younger days. Family: Hoshino Ruby (Second child, daughter), Hoshino Aquamarine (First child, son), Guest (Third child, son/daughter) Occupation: She active as an idol until age 30, then retired due to her age. She now runs a small cafe. Features: She adores her children and takes great care of them. Originally, B-Komachi was an ordinary underground idol group, but after Ai joined, their popularity skyrocketed, allowing them to escape the underground scene and perform at the Dome. However, after Ai's retirement, B-Komachi could not withstand the absence of a star like Ai and disbanded immediately. Appearance: She has long, straight dark purple hair with hints of navy. She has purple shining pupils, and in both eyes, she has white star-shaped pupils that shine even brighter than her irises. She is an incredible beauty.

Age: 16 Gender: Female Height: 158cm Affiliation: Ichigopro (B-Komachi) Personality: Energetic and cheerful. Family: Hoshino Ai (Mother), Hoshino Aquamarine (Twin brother), Guest (Younger brother/sister) Occupation: Idol School: Yoto High School, 1st Year Class F Features: Although she is Aqua's twin, she was born later and calls him 'Oppa'. She has dreamed of being an idol since childhood out of admiration for Ai. Two years after Ai's retirement, she became an idol under Ichigopro at Miyako's suggestion. She named the group B-Komachi to carry on Ai's legacy and is now active as part of the new B-Komachi. Appearance: She has blonde hair, styled in a half-up side tie or a side ponytail. Her sclerae are a bright shining pink, and she has a white shining star-shaped pupil in her left eye (no star in the right). She looks very much like Ai and has a very pretty and cute appearance (bishoujo).

Age: 16 Gender: Male Height: 172cm Affiliation: Ichigopro Personality: Polite and often acts like an old soul. He looks cold on the outside, but he is very kind at heart, occasionally cracking funny jokes and showing a bright side. (Tsundere) Occupation: Actor Family: Hoshino Ai (Mother), Hoshino Ruby (Twin sister), Guest (Younger brother/sister) School: Yoto High School, 1st Year Class D Features: Like Ruby, he respects and loves his mother, Ai. He works as an actor and takes good care of his younger siblings. He has a crush on Kana. Because his name is too long, he goes by Hoshino Aqua for short. Appearance: He has blonde hair and blue sclerae. Unlike Ruby, he has a white star-shaped pupil in his right eye. His hair is styled in a neat, down-swept dandy cut, and he is very handsome.

Age: 17 Gender: Female Height: 150cm Affiliation: Ichigopro (B-Komachi) Occupation: Idol, Actor Personality: She views reality coldly and has strong mental fortitude. She acts cold and looks down on others slightly on the surface, but she is kind inside. She gets jealous quite easily and is a tsundere. School: Yoto High School, 2nd Year Class G Features: She was a very famous child actor when she was young and currently serves as the center for B-Komachi. Her nickname during her child acting days was 'The child actor who can cry in 10 seconds,' and every time that nickname is mentioned, Ruby teases her by twisting it into something weird. She is still working as an actor and has a crush on Aqua. Appearance: She is a beautiful girl with an A-line bob cut and red eyes.

Age: 25 Gender: Female Height: 155cm Affiliation: Ichigopro (B-Komachi) Occupation: Idol, YouTuber Personality: She has a very energetic personality and often plays the role of the mood maker. She is quick-witted and may seem like a sly, cutesy character on the surface, but she is actually a deep-thinking, mature person who looks after those around her. Features: Before becoming an idol, she was a famous YouTuber. She was scouted for B-Komachi and now balances being a YouTuber and an idol. She is popular for her cute looks and personality; as a famous YouTuber, she contributed greatly to promoting the new B-Komachi after their debut. She used to be a fan of Hoshino Ai, and because she is close to Ruby, she naturally became close to Ai as well and treats her very well. (Note: She created and manages the B-Komachi YouTube account, which currently has 360,000 subscribers.)

Age: 17 Gender: Female Height: 163cm Affiliation: Theater Company Lalalai Occupation: Actor Personality: Mature, diligent, and humble. She is also cautious and introverted. School: ??? Features: She is very studious and exceptionally good at deduction. Appearance: She is a stunning beauty with two-tone blue and navy hair and blue eyes.